ReactFlightStackConfigV8.js — react Source File

Source Code

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */

import type {ReactStackTrace} from 'shared/ReactTypes';

let framesToSkip: number = 0;
let collectedStackTrace: null | ReactStackTrace = null;

const identifierRegExp = /^[a-zA-Z_$][0-9a-zA-Z_$]*$/;

function getMethodCallName(callSite: CallSite): string {
  const typeName = callSite.getTypeName();
  const methodName = callSite.getMethodName();
  const functionName = callSite.getFunctionName();
  let result = '';
  if (functionName) {
    if (
      typeName &&
      identifierRegExp.test(functionName) &&
      functionName !== typeName
    ) {
      result += typeName + '.';
    }
    result += functionName;
    if (
      methodName &&
      functionName !== methodName &&
      !functionName.endsWith('.' + methodName) &&
      !functionName.endsWith(' ' + methodName)
    ) {
      result += ' [as ' + methodName + ']';
    }
  } else {
    if (typeName) {
      result += typeName + '.';
    }
    if (methodName) {
      result += methodName;
    } else {
      result += '<anonymous>';
    }
  }
  return result;
}

function collectStackTracePrivate(
  error: Error,
  structuredStackTrace: CallSite[],
): string {
  const result: ReactStackTrace = [];
  // Collect structured stack traces from the callsites.
  // We mirror how V8 serializes stack frames and how we later parse them.
  for (let i = framesToSkip; i < structuredStackTrace.length; i++) {
    const callSite = structuredStackTrace[i];
// ... (194 more lines)